Shanghai, China (U.S. Postal Agency) Registered, Feb 18, 1915, purple cds on reverse of cover with N. Yang Chuen Chun, C.M. Customs illustrated corner card showing Foochow ½c stamp, bearing on reverse 1¢ green, block of five, 2¢ carmine, two singles, and 3¢ purple, all tied by "U.S. Postal Agency, Shanghai, China, R.D." ovals, addressed to New York City, Mar. 20th arrival backstamps; couple small flaws, Very Fine and attractive use. Estimate  $200 - 300. $0 (Image)